21723952

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{2971}}^1$

素因数の和:3436

約数の個数: 20

約数和(自身を含む): 42196456

約数和(自身を除く): 20472504

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 2971, 3656, 5942, 7312, 11884, 23768, 47536, 1357747, 2715494, 5430988, 10861976, 21723952]

約数ペア:

[(1, 21723952), (2, 10861976), (4, 5430988), (8, 2715494), (16, 1357747), (457, 47536), (914, 23768), (1828, 11884), (2971, 7312), (3656, 5942)]